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Wii and GameCube games on your PC] Why mess with emulators?
There are many reasons to emulate a game instead of playing it on official hardware.
- Better Graphics: Emulated games can extend the boundaries of your gaming PC with much higher graphics quality and, in some cases, even increased performance. While The Legend of Zelda: Breath of the Wild runs on a Nintendo Wii U at 720p at approximately 30 frames per second, Cemu on high-end systems can very easily handle 4K @ 60fps with texture and graphics Manage mods.
- Ease of Use: For a standard Wii U, you will need to connect an additional device to your TV, which you will need to switch to and then insert the game CD. With Cemu, you can store all your games digitally on your PC, which means that they load much faster than existing hardware.
- Controller Flexibility: You can play with official Wii Remotes, but you do not have to. If you prefer to use a PS4 controller, you can also connect it to Cemu.
Cemu can not easily take a home console in your living room, but it does a very good (and probably better) job of playing Wii U games on the PC.
How to Get Wii U Games Legally
Although emulators are commonly used for piracy, it's perfectly legal to play games that you've taken from a real floppy disk. To rip games, you need a real Nintendo Wii U console that you can make yourself. The homebrew process is a bit complicated, but it's still worth it, since a self-made Wii U is handy as a retro game console.
Once you have your Wii U-Homebrewed, you can rip games with a program called ddd Title Dumper. Transfer it to your computer and keep it in one place on your hard drive so Cemu can easily access it. Most Wii U games are relatively small and are between 2 and 10 GB, so they do not take up too much storage space.
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] Setting Up Cemu
Cemu is not the most user-friendly emulator. The setup process is a bit complicated and you need to download some files that are usually bundled with such programs. This may change in the future, but for now, this will mainly be manual.
Download the latest version of Cemu from the website and unpack the folder. The folder is named "cemu_1.15.3". However, you can rename the folder as you like and store it in an easy-to-access location (such as a desktop or document folder). The content looks something like this:
Do not run Cemu yet. There is still a lot to configure. There's a mod called Cemuhook that you need for specific graphics packages and performance options. Download the version that corresponds to your Cemu version and open the zipped Cemuhook folder. You can drag everything here to your Cemu installation folder.
Next comes the graphics packages. Cemu graphic packs offer many features, from major fixes for specific hardware bugs to the look or operation of the game to fully functional mods for Wii U games. You can download all the most important ones from this tracker on Github.
Open the zipped folder, press Ctrl + A to select everything, and drag it into the
graphicsPacks folder of your Cemu installation. You do not have to copy them all if you're just playing a game, just text files and small enough that it does not matter much.
 The last thing you need to install are shader caches. With Cemu working, your game will delay some time as it finds out, every time it needs to compute a new shader. Fortunately, once you do it, the answer is cached and used for all future calculations. So if you play long enough, the answer is very fluid. Since you probably do not want to stutter for hours, you can download someone else's cache and use it instead. For a list of complete caches for different games, see the Subreddit by CemuCaches.
Download the caches for the games you are playing and open the .rar folder. The actual cache file is a .bin file that you want to transfer to
shaderCache / transferable / in your Cemu folder.
After all this, you can finally open Cemu.exe to run the emulator. If you can not open Cemu, make sure you have the latest C ++ libraries installed.
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Cemu has many configuration options, so we stick with it main.
You can enable various graphics packages under Options> Graphics Packs. They are sorted by game and have different categories in each game.
Resolution is an important option to configure for both performance and presentation. You'll find it together with the shadow resolution and antialiasing quality in the Graphics category for most games. In the graphics packages you will also find mods and fixes for games. Most graphics packages can be applied while the game is running. So go around with the options and find out what works best for you. You can play with any controller you prefer. Cemu continues to support real Wii remotes, provided you connect them via Bluetooth. However, you can use Xbox and PlayStation controllers in the same way. You must manually set all the buttons under Options> Input Settings. However, you can save your configuration in a profile so you do not have to do it twice.
 Cemu emulates a specific controller under the hood, and for compatibility reasons you should probably emulate a "Wii U Pro Controller". This means that the game you are playing behaves as if you have turned off your Wii U Gamepad and does not show anything on the screen. If you are playing a game that uses the gamepad screen, you must enable the "Separate Gamepad View" option under Options.
The performance of the emulator ultimately depends on your system, but there are some settings that you can enable to maximize yours. Under "Debug" you will find two options for customizing the timer of the game. Make sure they are set to QPC or 1ms as shown here.
An important option is the CPU settings under CPU> Mode. If you have a quad-core system or a higher system, set this to dual or triple-core recompiler. As a result, Cemu uses more threads and simplifies the CPU.
Under "Options", set "Cache Accuracy for GPU Buffer" to "Low".
That should be enough for Cemu to run well on your CPU (assuming you are not playing on a toaster). If you still have performance issues, this may be GPU-related. Therefore try to reduce the resolution and the graphics of the game in the graphics package settings.
Once you've set everything up, you can start playing. If you do not see your games in the main window, you may need to add the path under Options> General Settings> Game Paths.